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Finding the Fourth Proportional to 239,160, 358,615.36 and 89,277.01

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Solution

The fourth proportional to 239,160, 358,615.36 and 89,277.01 is: 133,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,160 : 358,615.36 = 89,277.01 : x
  2. Step 2: Convert to fraction form
    239,160/358,615.36 = 89,277.01/x
  3. Step 3: Cross multiply
    239,160x = 358,615.36 × 89,277.01
  4. Step 4: Simplify right side
    239,160x = 32,016,107,080.87
  5. Step 5: Solve for x
    x = 32,016,107,080.87/239,160
  6. Step 6: Final answer
    x = 133,868.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.